?? ???????40???????????
????:1???????:????????
2????????????
3????????
4???app????
5???????
???????????????????????????11?????23??????????(? ??????????? ?????)23??5????????,?????????,?40????????????????????????601???????????????,??????????????40??
?????,?????????????????40??,??2021????????????6???????????3??????,???,40???????????,?????????,?,?????????
???????????????,?????,??360???,?????65??,??????????????????399794??????????????390527?????,???????????22.98???
23?????????????,?????????????+??????????????????????????????????????????????,??????VHF??????????????,??????????,????????????????????,??????,??,?VTS?AIS?CCTV????????????(??) ??:??????